/Engine/Plugins/Runtime/SmartObjects/Source/SmartObjectsModule/Public/SmartObjectSubsystem.h
Unregisters from the simulation all SmartObject components for a given actor.
true when components are found and all successfully unregistered, false otherwise
bool UnregisterSmartObjectActor ( const [AActor](API\Runtime\Engine\GameFramework\AActor) & SmartObjectActor )